<template>
  <div>
    App
    <A />
  </div>
</template>

<script>
import A from "./A.vue";

export default {
  name: "App",
  components: {
    A,
  },
  data() {
    return {
      num: 0,
    };
  },
  provide() {
    return {
      num: this.num,
    };
  },
};
</script>

<style></style>
